CN2251096Y - Energy-saving high-efficiency safety steam boiler - Google Patents

Abstract

The utility model relates to an energy-saving high-efficiency safe steam boiler, which is composed of a boiler body, a boiler hearth, a burner host machine, an unassisted safe water filling device, a pressure gauge, a water inlet pipe, a steam delivering pipe and a valve. The utility model is characterized in that the inner cavity of the boiler body in the upper part of the boiler hearth is provided with a water storing heat exchanging device and a steam pressurizing heat exchanging device capable of reserving the fire waste heat steam flow and increasing the heat exchanging contacting surface respectively composed of an arc heat exchanging pipe, a spiral fire radiating pipe, a lower radiating chamber, an upper radiating chamber, a coiled radiating pipe, a steam pressurizing pipe, a steam delivering pipe, without taking advantage of safety water filling device respectively, which can residence fire waste heat gas flow and the unassisted safe water filling device. The boiler has the advantages of high efficiency, energy saving and high safety.

Description

A kind of efficient energy-saving safe steam oven

The utility model relates to a kind of efficient energy-saving safe steam oven, refers in particular to a kind ofly with the efficient energy-saving safe steam oven of light fuel oil as the energy, belongs to small-sized boiler for domestic class.

The life oil burning boiler, because it adopts light oil to act as a fuel, no slag class refuse produces, secondary pollution is light, so win high admiration.But, taking a broad view of all kinds of fuel oil boiler for domestic of having used at present, we can find: because the limitation on these boiler structures, they still have many unsafty places at the consumption of the energy, the aspects such as utilization rate safety guarantee of heat energy.Such as one, fuel consumption is big, still have quite a few heat energy, is thrown under without clean-burning situation aerial: its two, the thermal efficiency is low, the overlong time of production of steam, the steam production in the unit interval is low excessively, is not easy to life and uses; Its three, need certain safety assurance device.

The purpose of the present utility model is to provide a kind of efficient energy-saving safe steam oven, wishes that it under the prerequisite that keeps present various fuel-steam furnace superintendents place, further improves the generation rate of energy utilization rate, steam, the protection of safety.

This efficient energy-saving safe steam oven, the dominant ideas of its design are: the automatic safe water filling improves the combustion rate of fuel oil, prolongs waste heat carries out heat exchange with water body in burner hearth holdup time; Improve heat energy, enlarge the contact-making surface that conducts the chamber.

Its concrete technical scheme is as follows:

This efficient energy-saving safe steam oven is by body of heater (A), burner hearth (T), burner main frame (5), non helping hand safety injection device (23), Pressure gauge, water inlet pipe, steam transmitting pipe, valve is formed, and its feature is being provided with a cover in the water storage heat exchange cavity of described burner hearth (T) top body of heater (A) can be detained naked light and waste heat air-flow, increase the water storage heat-exchange device of heat exchange contact-making surface and the heat-exchange device that steam pressurized heats up: wherein said water storage heat-exchange device is by arc heat-exchange tube (8), the screw thread fire tube (10) that looses, following heat dissipation chamber (12), spirally radiating tube (13) and last heat dissipation chamber (14) form; Described steam pressurized heat-exchange device is made up of steam pipeline (20,21), steam pressurized pipe (15), last heat dissipation chamber (14) and non helping hand safety injection device (23).

Wherein, the diffusing fire tube (10) of the array screw thread of described composition water storage heat-exchange device directly is located at burner hearth (T) top, and makes burner hearth (T) successively with following heat dissipation chamber (12), spirally radiating tube (13), upward heat dissipation chamber (14), blast pipe (17) communicate by its bore passages; Be provided with several arc heat-exchange tubes (8) at upper edge, described burner hearth (T) top periphery simultaneously.

The steam pressurized pipe (15) of the described composition steam pressurized heat-exchange device helical form that takes the shape of the letter U, pipe is repeatedly put for spiral in its core pressurization bottom, and is located in the heat dissipation chamber (14); Its two external part, an end (21) communicates with non helping hand injector (23) through a valve; And be connected through this non helping hand injector (23) and with this non helping hand injector (23) another communicate to tracheae (20) and vaporium (22); Then directly outer with being located at body of heater (A) the defeated steam valve pipe of its other end communicates.

Described normotopia safe pressure table (19) directly communicates with vaporium (22); Described secondary position safe pressure table (18) communicates with steam pressurized pipe (15) through an appendix.

Efficient energy-saving safe steam oven according to above technical scheme design, compare with existing congenerous fuel-steam stove, its advantage is: 1, because the water storage heat-exchange device of the utility model design, prolonged heat energy produces discharge pipe emptying at burner hearth time widely, make the red-hot flue gas of high temperature have adequate time to carry out heat exchange with the water storage in the body of heater, improve the oil plant utilization rate, reduce oil consumption greatly; 2, because the employing of this device, make the water body that is positioned at body of heater can not only produce soon about, about thermal cycle, and strengthened the contact-making surface of water body and thermal source, thereby can accelerate the generation of steam, also can improve the heat energy utilization rate; 3, owing to adopt non helping hand safety injection device, be lower than in source pressure under the situation of body of heater air pressure, can realize not having the water filling of outer power-assisted automatic safe and help the steam boiler safe handling.

Accompanying drawing 1 is the utility model structural representation;

Accompanying drawing 2 is the utility model top construction schematic diagram.

Among the figure: 1, upper combustion chamber; 2, lower combustion chamber; 3, combustion chamber carriage; 4, oxygen supplying chamber; 5, burner main frame; 6, furnace body support; 7, support pulley; 8, arc heat-exchange tube; 9, blowoff valve; 10, the diffusing fire tube of screw thread; 11, blowdown hand hole; 12, following heat dissipation chamber; 13, spirally radiating tube; 14, go up heat dissipation chamber; 15, steam pressurized pipe; 16, heat-insulation layer; 17, blast pipe; 18, secondary safe pressure table; 19, normotopia safe pressure table; 20, give steam pipe; 21, blower line; 22, vaporium; 23, non helping hand safety injection device; 24, water gage; 25, water intaking valve; 26, discharging valve; A, body of heater; B, gravity safety exhaust; C, spring safety exhaust; T, burner hearth.

Further describe the utility model below in conjunction with accompanying drawing, and provide embodiment.

Operation principle of the present utility model is as follows:

After turning on the power switch, burner main frame (5) enters full-automatic operate as normal program under automatically controlled instruction, makes fuel oil spray into burner hearth (T) through burner nozzle, and under the effect of burner oxygen supplying chamber (4), makes the atomizing of fuel oil band oxygen.Entered by the oxygen mixed aerosol and to meet electric spark in the lower combustion chamber (2) of burner hearth (T) bottom and be able to abundant burning, produce heat energy thereby also make water storage begin to be heated across the body of heater (A) of burner hearth (T) roof.

At this moment, arc heat exchanger tube (8) and the diffusing fire tube (10) of screw thread that is positioned at burner hearth (T) upper top is heated; The fraction water body that consequently makes two-port be positioned at the arc heat exchanger tube (8) of body of heater (A) reservoir different parts is heated rapidly, so that produce local boiling, produces cold and hot convection current fast until the water storage that makes body of heater (A), improves whole water temperature; The same time, because the rising of temperature, waste heat also makes the outer water body of pipe be heated rapidly by the diffusing fire tube (10) of screw thread fast, and a tight step has been aggravated the circulation up and down of water body in the stove, and water temperature is constantly raise.In order further to improve the heat energy utilization rate, to save the energy, the present utility model specially is provided with upper and lower two heat dissipation chamber (12,14) in body of heater (A), its function is: when waste heat looses fire tube (10) or one group of spirally radiating tube (13) when entering down in heat dissipation chamber (12) and the last heat dissipation chamber (14) respectively from screw thread, owing to hold the expansion of body space, the residual heat stream that makes moment enter upper and lower heat dissipation chamber can prolong the holdup time, also obtains carrying out with water body the prolongation of heat exchanger time; Simultaneously owing to adopt the design of two upper and lower heat dissipation chamber (12,14) and spirally radiating tube (13), they and time of contact of water body have on every side not only been strengthened; But also strengthen thermal source pipeline and water body heat radiation contact-making surface, make water body obtain maximum heat exchange amount from the thermal source pipeline at short notice.

When the waste hot air stream that rises enters heat dissipation chamber (14) through one group of dish spirality radiating tube (13),, make interior top, the chamber steam on every side that looses of going up of stove add heat exchange once more owing to the stop that continues moment.By from bottom to top four times multi-form, different angles, large-area heat exchange, heat energy has obtained desirable utilization, the boiling and can very fast generation steam rapidly of the water storage in the body of heater (A).When the vapor (steam) temperature of body of heater (A) top vaporium (22) reaches more than 100 degree, make and form minute-pressure in the body of heater (A), this moment, vapours was along entering the steam separator box of being located at non helping hand safety injection device (23) for steam pipe (20), and return the interior steam pressurized pipe (15) of last heat dissipation chamber (14) that places body of heater (A) internal upper part along bleeder pipe (21) by this aqueous vapor separator box again, steam rises along passing in the spirality pipe within it, passing, in the uphill process owing to be subjected to the influence of heat dissipation chamber (14) waste heat, make the Low Temperature Steam of flowing through in this steam under pressure pipe (15) intensifications of directly being heated, reach the purpose that improves vapor (steam) temperature and raising steam pressure thus; Steam after supercharging heats up can directly be transported to the place of using vapour through appendix.

Claims (4)

1, a kind of efficient energy-saving safe steam oven is by body of heater (A), burner hearth (T), burner main frame (5), non helping hand safety injection device (23), Pressure gauge, water inlet pipe, steam transmitting pipe, valve is formed, and it is characterized in that in the water storage heat exchange cavity of described burner hearth (T) top body of heater (A) cover being set can be detained naked light waste heat air-flow, increase the water storage heat-exchange device of heat exchange contact-making surface and the heat-exchange device that steam pressurized heats up: wherein said water storage heat-exchange device is by arc heat-exchange tube (8), the screw thread fire tube (10) that looses, following heat dissipation chamber (12), spirally radiating tube (13) and last heat dissipation chamber (14) form; Described steam pressurized heat-exchange device is made up of steam pipeline (20,21), steam pressurized pipe (15), last heat dissipation chamber (14) and non helping hand safety injection device (23).

2, a kind of efficient energy-saving safe steam oven according to claim 1 is characterized in that: the diffusing fire tube (10) of the array screw thread of described composition water storage heat-exchange device directly is located at burner hearth (T) top, and makes burner hearth (T) successively with following heat dissipation chamber (12), spirally radiating tube (13), upward heat dissipation chamber (14), blast pipe (17) communicate by its bore passages; Be provided with several arc heat-exchange tubes (8) at upper edge, described burner hearth (T) top periphery simultaneously.

3, a kind of efficient energy-saving safe steam oven according to claim 1 is characterized in that: the steam pressurized pipe (15) of the described composition steam pressurized heat-exchange device helical form that takes the shape of the letter U, pipe is repeatedly put for spiral in its core pressurization bottom.And be located in the heat dissipation chamber (14); Its two external part, an end (21) communicates with non helping hand injector (23) through a valve: and be connected through this non helping hand injector (23) and with this non helping hand injector (23) another communicate to tracheae (20) and vaporium (22); Then directly outer with being located at body of heater (A) the defeated steam valve pipe of its other end communicates.

4, a kind of efficient energy-saving safe steam oven according to claim 1 is characterized in that: described normotopia safe pressure table (19) directly communicates with vaporium (22); Described secondary position safe pressure table (18) communicates with steam pressurized pipe (15) through an appendix.

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